/*
 *  Copyright 2001-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package ar.uba.fi.posgrado.common.web.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import ar.uba.fi.posgrado.common.model.Role;
import ar.uba.fi.posgrado.common.model.User;
import ar.uba.fi.posgrado.common.service.UserService;
import ar.uba.fi.posgrado.common.web.form.UserForm;

/**
 * Action para modificar un usuario.<br>
 * 
 * @author nicolas.gonzalez
 */
public class ModifyUserAction extends Action {

	/** Logger */
	private static Logger logger = Logger.getLogger(ModifyUserAction.class);

	private UserService userService;

	/**
	 * @param userService
	 *            the userService to set
	 */
	public void setUserService(UserService userService) {
		this.userService = userService;
	}

	/**
	 * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
	 *      org.apache.struts.action.ActionForm,
	 *      javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse)
	 */
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm actionForm,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		if (logger.isDebugEnabled()) {
			logger.debug("Por modificar un usuario ...");
		}
		UserForm form = (UserForm) actionForm;
		List<String> roleNames = form.getChosenRolesAsList();
		logger.info("Roles elegidos: " + roleNames);
		String userName = form.getName();

		User user = this.userService.getUserByName(userName);
		user.setRealName(form.getRealName());
		user.setSurname(form.getSurname());
		user.setPassword(form.getPassword());

		List<Role> actualRoles = userService.getRolesByName(roleNames);
		boolean isBody = userService.hasBodyRole(actualRoles);
		if (isBody) {
			logger.info("El usuario: " + userName + " corresponde a un ente, "
					+ "el cual se eligira a continuacion.");

			if (user.getBody() != null) {
				form.setBody(user.getBody());
			}
			return mapping.findForward("successBody");
		}

		user.setBody(null);
		this.userService.modifyUser(user, actualRoles);
		logger.info("Usuario: " + userName + " modificado con exito");
		return mapping.findForward("success");
	}

}
